| 鄂尔多斯盆地北部铀矿区砂岩型铀矿地浸水文地质条件初步分析评价 |
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| 引用本文： | 陈法正,赵金锋,常宝成,高俊义.鄂尔多斯盆地北部铀矿区砂岩型铀矿地浸水文地质条件初步分析评价[J].铀矿地质,2006,22(3):163-167. |
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| 作者姓名： | 陈法正 赵金锋 常宝成 高俊义 |
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| 作者单位： | 核工业208大队,内蒙古,包头,014010 |
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| 摘 要： | 本文对鄂尔多斯盆地北部砂岩型铀矿的水文地质条件、含矿含水层的岩性、水文地质结构、水动力条件、水文地球化学特征进行了系统分析和评价,认为地浸水文地质条件良好,可满足地浸采矿要求。针对该地区承压水头小、涌水量偏低的实际情况,结合抽注水连通试验涌水量显著增大的试验结果,提出了加压注水的技术方案,以人工方法提高地下水承压水头,增大涌水量,使之满足地浸采矿要求。
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| 关 键 词： | 鄂尔多斯盆地 砂岩型铀矿 地浸水文地质条件 分析评价 |
| 文章编号： | 1000-0658(2006)03-0163-05 |
| 收稿时间： | 11 23 2004 12:00AM |
| 修稿时间： | 10 28 2005 12:00AM |
A preliminary analysis and assessment of hydrogeological conditions for in-situ leach mining of sandstone-type uranium deposit in northern Ordos basin |
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| CHEN Fa-zheng,ZHAO Jin-feng,CHANG Bao-cheng,GAO Jun-yi.A preliminary analysis and assessment of hydrogeological conditions for in-situ leach mining of sandstone-type uranium deposit in northern Ordos basin[J].Uranium Geology,2006,22(3):163-167. |
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| Authors: | CHEN Fa-zheng ZHAO Jin-feng CHANG Bao-cheng GAO Jun-yi |
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| Institution: | Geologic party No. 208, CNNC, Baotou, Inner Mongolia 014010, China |
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| Abstract: | A systematic analysis and assessment on hydrogeologic condition,the lithology and hydrogeologic structure of ore-hosting aquitfers,hydrodynamic condition,hydrochemical characteristics at a sandstone-type uranium deposit in northern Ordos basin is made in this paper.It has been concluded,that hydrogeologic condition in the study area is favorable,meeting the requirements for in-situ leach mining of the deposit.Aimed at the low artesian pressure head and low water output and based on the results of pumping-injection tests which led to the significant increase of water output,a technical scheme of pressured water injection has been proposed to artificially raise the artesian pressure head and increase the output of groundwater to satisfy the requirements of in-situ leach mining. |
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| Keywords: | Ordos basin sandstone-type uranium deposit hydrogeologic condition for in-situ leach mining analysis and assessment |
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